Ladder-stay.



J. MAXWELL.

LADDER STAY.

APPLICATION FILED JULY 15.1918.

Patehted Feb.l1,1919.

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JAME$ MAXWELL, OF NEW YORK, N. Y.

LADDER-STAY.

Specification of Letters Patent.

Patented Feb. 11, 1919.

Application filed July 15, 1918. Serial No. 245,000.

To all whom it may concern:

Be it known that I, JAMns MAXWELL, a citizen of the United States, and a resident of the city of New York, borough of Manhattan, in the county and State of New York, have invented a new and Improved Ladder-Stay, of which the following is a 'full, clear and exact description.

This invention relates to ladder bracing means and has for an object the provision of an improved construction of stay member capable of attachment to substantially any ladder and of adjustment to coact with the lower end thereof for preventing sliding.

Another object in view is the provision of a stay for a ladder which is formed so as to be rotatably mounted on one of the rungs of the ladder whereby the supporting leg of the stay may be ofiset in proportion to the angle of the ladder and thereby produce a proper resistance to any sliding motion.

In the accompanying drawing:

Figure 1 is a front view of the lower part of a ladder disclosing an embodiment of the invention applied thereto.

Fig. 2 is a section through Fig. 1 approximately on line 2-2.

Fig. 3 is an enlarged fragmentary sectional view through Fig. 2 on line 3-3.

Fig. 4 is a fragmentary sectional view through part of a ladder and a difierent form of the invention from that shown in Fig. 1.

Fig. 5 is a front view of the structure shown in Fig. 4.

Fig. 6 is a detail fragmentary sectional view similar to Fig. 3 but showing a slightly difierent structure from that disclosed in Fig. 2.

Referring to the accompanying drawing by numerals, 1 indicates a ladder of any desired kind provided with rungs 2. When using the ladder 1 the lower end is, of course, supported by the ground or other support, and where the ladder is at some considerable angle to the floor or other support which is hard, it sometimes slides and thereby causes damage. To prevent any sliding of the bottom end of the ladder a stay is connected with the lower rung 2 as shown in Fig. 1 or connected with the ladder as shown in the modified form in Figs. 4 and 5. In the construction shown in Fig. 1 it is provided with a fitting 3 having a substantially half tubular member 4 fitting against the rung 2, said half tubular member 4 being held in place by end members 5 and 6, said end members telescoping over the end of member 4 so as to hold said member in place, but allow a pivotal movement thereof around the rung 2. Preferably the end members 5 and 6 extend only partially around the rung 2 so as to be more readily applied or removed, but if desired they could be made to extend entirely around the rung without departing from the spirit of the invention. Set screws 7 are provided in each of the end members 5 and 6 for locking said end members to the rung. The fitting 3 in addition to having the tubular member 4 is provided with a tubular upstanding guide 8, said guide being provided with a set screw 9 and accommodating a standard 10 which slidingly fits into the guide. The standard 10 is provided with a foot 11 held in place in any suitable manner, as for instance slidingly fitting over the standard 10 and held thereto by friction. A rubber pad 12 is secured in any desired manner to the bottom of foot 11 so as to prevent sliding.

As shown particularly in Fig. 3 the half tubular member 4 is provided with a set screw 13 which is operated to clamp the fitting 3 firmly in position when the standard 10 has reached a proper vertical position. In operation the ladder is placed against a wall or other object at the desired angle and the standard 10 raised somewhat and held in a raised position by set screw 9. After the ladder has been placed at the proper angle set screw 13 is released and the standard 10 will then swing around to the proper vertical position after which the set screw 13 is again tightened and the set screw 9 loosened, which will allow the standard to drop against the ground and assume the position shown in Fig. 2. Set screw 9 is then tightened and the ladder is braced in such a manner as to prevent movement.

In Figs. 4 and 5 a modified form of the invention is shown in which a link 14 is pivot ally connected at 15 to one of the side bars of the ladder 1, said link having a slot 16 for accommodating a bolt 17, which bolt extends through the slot 18 of the standard 19. These parts may be adjusted so that the standard 19 will engage the ground near the end of the ladder 1 or some distance therefrom as may be desired and produce a bracing action for preventing skidding or moving of any kind, by the ladder in a. horizontal direction.

What I claim is:

V 1. A ladder stay comprising a rung engaging member formed substantially arc-shaped in cross section, threaded rotatable means for connecting said member to a rung of a ladder, a tubular guide connected with said member, a standard telescopically fitting in said tubular guide, and means for locking said standard in any adjusted position.

2. A ladder stay comprising a member rotatably supported on one of the rungs of a ladder, a set screw for locking said member, a tubular guide rigidly connected With said member, a sliding standard arranged in said tubular guide a set screw for locking said standard in any adjusted position, and a contact shoe carried by the lower end of said standard.

JAMES MAXWELL.

flopiee of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G. 

